PROLEMS ON SETS : PROLEMS ON SETS By
Selin Sebastian
Question 1 : Question 1 Identify equivalent sets
(I) A = {4, 6, 7, 9, 10}(II) B = {a, b, c, 10, 9}(III) C ={9, 3, 6, 4, 2, 1}
Question 2 : Question 2 If A = {14, 18, 22, 26} and
B = {18, 14, 26, 22} then
A and B are ………..sets.
Question 3 : Question 3 Which of the following is a null set?
A = {0}B = {x : x > 0 or x < 0}C = {x : x2 = 4 or x = 3}D = {x : x2 + 1 = 0, x R}
Question 4 : Question 4 The set
{x : x is an even prime number}
can be written as ………
Question 5 : Question 5 Write the set {3,6,9,12……} in set builder form.
Question 6 : Question 6 If A = {1,2,3} then find P(A)
Question 7 : Question 7 Write the set
in Roster form.
Question 8 : Question 8 Find pair of equal sets, from the following sets
A = {0}
B = {x: x>10 and x<4}
C = {x: x-3 = 0}
D = {x: x is a positive root of x2-2x-3}
Question 9 : Question 9 Write the set {1,4,9, ……..100}
in set builder form
Question 10 : Question 10 Write the Set
E = {x: x is a letter of the word mathematics}
Question 11 : Question 11 State whether A = B or not.
a) If A = { 2,4,6,8,10} and
B = { x : x is positive even integer and x 10}
b) A = {7,3}
B = { x : x is a solution of
x2 +5x + 6 = 0}